Example angular.js coding style.

controller.js

'use strict';

/**
 * @ngdoc function
 * @name ntuconnectAngularApp.controller:MeetupCtrl
 * @description
 * # MeetupCtrl
 * Controller of the ntuconnectAngularApp
 */
angular.module('ntuconnectAngularApp')
  .controller('MeetupCtrl', ['$http', '$scope', function ($http, $scope) {
    // Remember there's exactly one whitespace between function keyword and pairs of arguments,
    // and another between pairs and opening bracket. Among the pair, three's one whitespace after the comma.
    
    // declare local variables with values and functions, which might be used in the latter program.
    var a = 7,
        b = c,
        d = function (e) {
          console.log(e);
        };
        
    // declare variables with values and functions under the $scope object.
    $scope.people = [
      { name: "John" }
    ];
    $scope.submit = function (e) {
      $scope.people.push({name: e});
    };
    $scope.count = $scope.person.length;
    
    // If you codes didn't return values, put them in this anonymous function.
    // You might think it as the controller' main function.
    (function () {
      $http.get(API_URL, $scope.people).success(function (data) {
        $scope.people = data;
      });
    })();
  }]);